#  -*-  coding:utf-8   -*-

# while 循环结束的条件：False:True  不满足条件的时候一直运行：
# a = 1
# while  a>10:
#     a+=1
#     print(a)
# else:
#     print("dsad")

s = 'sadasdasdad'
i = 0
# while  i<len(s):
#     print(s[i])
#     i+=1
# for  i  in s:
#     print(i)
for  i  in  range(len(s)):#range  代表的是什么     <
    print(s[i])